<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" href="index.css" />
	</head>
	<body>
		<!-- <div  class="box1">
			<div class="inner_box"></div>
			<div class="box1-title">我是一名学生</div>
		</div>
		<div class="box2">
			
		</div> -->
		
		<div class="triangle-div">  </div>
		<div class="triangle-div1">  </div>		
		<div class="triangle-div2">  </div>
		<div class="triangle-div3">  </div>
		
	<!-- 	<div class="layer1"></div>
		<div class="layer2"></div>
		<div class="layer3"></div>
		<div class="layer4"></div>
		<div class="banner"></div> -->
	</body>
</html>